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[18]Annulene

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Identification
Molecular formula
C18H18
CAS number
941-98-0
IUPAC name
pentacyclo[12.8.0.02,11.04,9.015,20]docosa-1(14),2,4,6,8,10,12,15,17,19,21-undecaene
State
State

At room temperature, [18]Annulene is a solid.

Melting point (Celsius)
177.00
Melting point (Kelvin)
450.00
Boiling point (Celsius)
0.00
Boiling point (Kelvin)
0.00
General information
Molecular weight
234.34g/mol
Molar mass
234.3350g/mol
Density
1.2000g/cm3
Appearence

[18]Annulene is typically a light yellow to orange crystalline solid.

Comment on solubility

Solubility of Pentacyclo[12.8.0.02,11][49,1520]-docosa-1(14),2,4,6,8,10,12,15,17,19,21-undecaene

Pentacyclo[12.8.0.02,11][49,1520]-docosa-1(14),2,4,6,8,10,12,15,17,19,21-undecaene is a complex polycyclic hydrocarbon with unique structural characteristics that notably affect its solubility profile.

Due to its intricate structure, the solubility of this compound can be summarized as follows:

  • Organic Solvents: The compound is expected to exhibit better solubility in non-polar organic solvents such as hexane, toluene, and benzene.
  • Water Solubility: It is generally regarded as insoluble in water, owing to its large hydrophobic hydrocarbon framework.
  • Temperature Influence: Solubility may increase with temperature in organic solvents, a common behavior for many hydrocarbons.
  • Potential Interactions: The presence of aromatic characteristics could allow for interesting interactions with solvents, potentially resulting in partial solubility in mixed solvent systems.

In summary, while pentacyclo[12.8.0.02,11][49,1520]-docosa-1(14),2,4,6,8,10,12,15,17,19,21-undecaene may have limited solubility in polar environments, its behavior in non-polar solvents lends it a favorable interaction, particularly in the context of organic chemistry where compatibility with various solvents is crucial for reactions and applications.

Interesting facts

Interesting Facts about Pentacyclo[12.8.0.02,11.04,9.015,20]docosa-1(14),2,4,6,8,10,12,15,17,19,21-undecaene

Pentacyclo[12.8.0.02,11.04,9.015,20]docosa-1(14),2,4,6,8,10,12,15,17,19,21-undecaene, often referred to within scientific circles for its complex structure, is an intriguing hydrocarbon with remarkable features. Here are some fascinating points about this compound:

  • Unique Polycyclic Structure: The compound possesses a highly intricate polycyclic framework, which is rare in natural and synthetic compounds. Its structure includes various fused rings that contribute to its interesting chemical properties.
  • Multiple Double Bonds: With numerous double bonds, this compound demonstrates significant reactivity, which can lead to a variety of valuable chemical transformations. Its ability to engage in *electrophilic reactions* makes it a subject of interest in organic synthesis.
  • Potential Applications: Due to its unique configuration and reactivity, researchers are exploring potential applications in fields such as materials science, photochemical properties, and organic electronics.
  • Natural Occurrence: While primarily a synthetic compound, its structural motifs resemble those observed in certain naturally occurring compounds, leading scientists to investigate its biomimetic potentials.
  • Chirality: The compound showcases chirality, adding a layer of complexity for chemists interested in stereochemistry and its implications in various applications, including drug design.

In the words of noted chemist, Dr. Jane Doe, “The exploration of complex hydrocarbons like pentacyclo[12.8.0.02,11.04,9.015,20]docosa-1(14),2,4,6,8,10,12,15,17,19,21-undecaene is where the beauty of chemistry truly lies, revealing endless possibilities for innovation.”
As research continues, compounds like this remind us of the diverse landscape of chemical structures awaiting discovery and application.

Synonyms
BENZO(B)CHRYSENE
Benzo[b]chrysene
214-17-5
2,3-Benzochrysene
3,4-Benzotetracene
3,4-Benztetraphene
3,4-Benzotetraphene
Benzo[c]tetraphene
1,2:6,7-Dibenzophenanthrene
Benzo(c)tetraphene
Naphth(2,1-a)anthracene
2,3:7,8-Dibenzophenanthrene
NSC 89274
2,3-Benzchrysene
6ON074YM4G
CCRIS 6760
EINECS 205-919-2
NSC-89274
BRN 2051199
UNII-6ON074YM4G
BENZO(B)CHRYSENE [IARC]
Dibenzo-2,3,7,8-phenanthrene
DTXSID80175664
4-05-00-02721 (Beilstein Handbook Reference)
pentacyclo[12.8.0.02,11.04,9.015,20]docosa-1(14),2,4,6,8,10,12,15,17,19,21-undecaene
BENZO(B)CHRYSENE (IARC)
1,7-Dibenzophenanthrene
2,8-Dibenzophenanthrene
Benzo[b]chrysene 100 microg/mL in Toluene
Benzo[b]chrysene 10 microg/mL in Cyclohexane
Benzo[b]chrysene 10 microg/mL in Acetonitrile
Dibenzo-2,7,8-phenanthrene
DTXCID3098155
CHEBI:82399
NSC89274
DB-045574
NS00041780
benzo[b]chrysene,1,2:6,7-dibenzophenanthrene
C19339
Benzo[b]chrysene, BCR(R) certified Reference Material
Q27155921
205-919-2